Interesting Engineering on MSN5mon
Human-built 5600-year-old underwater bridge found inside cave stuns scientistsA geology professor from the University of South Florida discovered a 5600-year-old stone bridge in an ancient cave that ...
Beneath the island of Mallorca's eastern coast exists a vast network of submerged caves. These caves show evidence of a change in sea levels that took place thousands of years ago. The caves once ...
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